Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    3.028274E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-27T22:51:17+0800
    View CDM
    Download CDM 1.0

    1 Object 1

    AOE ID 26366
    NORAD ID 26366
    Object Type PAYLOAD
    Country
    CIS CIS
    ← VS →

    2 Object 2

    AOE ID 56484
    NORAD ID 56484
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter SIMSAT 2 STARLINK-6221
    Time of Closest Approach 2026-10-29T20:58:03+0000
    Collision Probability (Pc) 3.028274E-6
    Conjunction Distance (km) 1.959 km
    Relative Speed (km/s) 14.89 km/s
    Conjunction Risk Parameters R (Radial): 1.413 | I (In-track): -0.284 | C (Cross-track): 1.328
    Collision Risk Index (CRI) 0.45
    X Position (km) 2978.837 2980.673
    Position Y (km) 5721.139 5721.756
    Position Z (km) 2316.921 2317.216
    Velocity X (km/s) -1.653 -1.344
    Velocity Y (km/s) -2.057 3.416
    Velocity Z (km/s) 7.158 -6.686

    Orbital Parameters 国际轨道数据源

    Parameter SIMSAT 2 STARLINK-6221
    Semimajor Axis (a) 6853.952 km 6855.256 km
    Eccentricity (e) 0.000825 0.000351
    Inclination (i) 86.3447° 70.0009°
    RAAN 62.5676° 256.9383°
    Perigee Argument 115.2716° 272.2576°
    Mean Anomaly (M) 244.9388° 203.3401°
    Apogee 481.467 km 479.524 km
    Perigee 470.163 km 474.714 km
    Orbit Epoch 2026-10-27T01:23:02+0000 2026-10-27T06:00:04+0000

    SIMSAT 2 & STARLINK-6221 Collision Probability (Pc) Trend

    SIMSAT 2 & STARLINK-6221 Collision Probability (Pc) TrendNot Available

    SIMSAT 2 & STARLINK-6221 Miss Distance (Miss Distance) Trend

    SIMSAT 2 & STARLINK-6221 Miss Distance (Miss Distance) TrendNot Available

    SIMSAT 2Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-6221Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    SIMSAT 2Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-6221Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with SIMSAT 2

    No nearby objects data